docs: def create_branding(self, params):
          """
          Create a new branding
          @params: An array of params (all params are optional)
              - layout: Default color for all application widgets (hex code)
              - text: Default text color for all application widgets (hex code)
              - application_texts: A dict with the new text values
              - sign_button: Text for sign button
              - send_button: Text for send button
              - decline_button: Text for decline button:
              - decline_modal_title: Title for decline modal (when you click decline button)
              - decline_modal_body: Body for decline modal (when you click decline button)
              - photo: Photo message text, which tells the user that a photo is needed in the current process
              - multi_pages: Header of the document, which tells the user the number of pages to sign
              ex: { 'photo': 'Hey! Take a photo of yourself to validate the process!'}
          """
          connection = Connection(self.token)
  
          connection.add_header('Content-Type', 'application/json')
          connection.set_url(self.production, self.BRANDINGS_URL)
          connection.add_params(params, json_format=True)
  
          return connection.post_request()